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package Persistencia;

import java.io.Serializable;
import javax.persistence.Query;
import javax.persistence.EntityNotFoundException;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import LogicaNegocio.Cliente;
import LogicaNegocio.OrdenDeReparacion;
import LogicaNegocio.Turno;
import Persistencia.exceptions.NonexistentEntityException;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;

/**
 *
 * @author SEAGATE 2-2T
 */
public class OrdenDeReparacionJpaController implements Serializable {

    public OrdenDeReparacionJpaController(EntityManagerFactory emf) {
        this.emf = emf;
    }
    private EntityManagerFactory emf = null;

    public EntityManager getEntityManager() {
        return emf.createEntityManager();
    }

    public void create(OrdenDeReparacion ordenDeReparacion) {
        EntityManager em = null;
        try {
            em = getEntityManager();
            em.getTransaction().begin();
            Cliente unCliente = ordenDeReparacion.getUnCliente();
            if (unCliente != null) {
                unCliente = em.getReference(unCliente.getClass(), unCliente.getCodigo());
                ordenDeReparacion.setUnCliente(unCliente);
            }
            Turno unTurno = ordenDeReparacion.getUnTurno();
            if (unTurno != null) {
                unTurno = em.getReference(unTurno.getClass(), unTurno.getCodigo());
                ordenDeReparacion.setUnTurno(unTurno);
            }
            em.persist(ordenDeReparacion);
            if (unCliente != null) {
                unCliente.getOrdenesDeReparacion().add(ordenDeReparacion);
                unCliente = em.merge(unCliente);
            }
            if (unTurno != null) {
                OrdenDeReparacion oldUnaOrdenOfUnTurno = unTurno.getUnaOrden();
                if (oldUnaOrdenOfUnTurno != null) {
                    oldUnaOrdenOfUnTurno.setUnTurno(null);
                    oldUnaOrdenOfUnTurno = em.merge(oldUnaOrdenOfUnTurno);
                }
                unTurno.setUnaOrden(ordenDeReparacion);
                unTurno = em.merge(unTurno);
            }
            em.getTransaction().commit();
        } finally {
            if (em != null) {
                em.close();
            }
        }
    }

    public void edit(OrdenDeReparacion ordenDeReparacion) throws NonexistentEntityException, Exception {
        EntityManager em = null;
        try {
            em = getEntityManager();
            em.getTransaction().begin();
            OrdenDeReparacion persistentOrdenDeReparacion = em.find(OrdenDeReparacion.class, ordenDeReparacion.getCodigo());
            Cliente unClienteOld = persistentOrdenDeReparacion.getUnCliente();
            Cliente unClienteNew = ordenDeReparacion.getUnCliente();
            Turno unTurnoOld = persistentOrdenDeReparacion.getUnTurno();
            Turno unTurnoNew = ordenDeReparacion.getUnTurno();
            if (unClienteNew != null) {
                unClienteNew = em.getReference(unClienteNew.getClass(), unClienteNew.getCodigo());
                ordenDeReparacion.setUnCliente(unClienteNew);
            }
            if (unTurnoNew != null) {
                unTurnoNew = em.getReference(unTurnoNew.getClass(), unTurnoNew.getCodigo());
                ordenDeReparacion.setUnTurno(unTurnoNew);
            }
            ordenDeReparacion = em.merge(ordenDeReparacion);
            if (unClienteOld != null && !unClienteOld.equals(unClienteNew)) {
                unClienteOld.getOrdenesDeReparacion().remove(ordenDeReparacion);
                unClienteOld = em.merge(unClienteOld);
            }
            if (unClienteNew != null && !unClienteNew.equals(unClienteOld)) {
                unClienteNew.getOrdenesDeReparacion().add(ordenDeReparacion);
                unClienteNew = em.merge(unClienteNew);
            }
            if (unTurnoOld != null && !unTurnoOld.equals(unTurnoNew)) {
                unTurnoOld.setUnaOrden(null);
                unTurnoOld = em.merge(unTurnoOld);
            }
            if (unTurnoNew != null && !unTurnoNew.equals(unTurnoOld)) {
                OrdenDeReparacion oldUnaOrdenOfUnTurno = unTurnoNew.getUnaOrden();
                if (oldUnaOrdenOfUnTurno != null) {
                    oldUnaOrdenOfUnTurno.setUnTurno(null);
                    oldUnaOrdenOfUnTurno = em.merge(oldUnaOrdenOfUnTurno);
                }
                unTurnoNew.setUnaOrden(ordenDeReparacion);
                unTurnoNew = em.merge(unTurnoNew);
            }
            em.getTransaction().commit();
        } catch (Exception ex) {
            String msg = ex.getLocalizedMessage();
            if (msg == null || msg.length() == 0) {
                int id = ordenDeReparacion.getCodigo();
                if (findOrdenDeReparacion(id) == null) {
                    throw new NonexistentEntityException("The ordenDeReparacion with id " + id + " no longer exists.");
                }
            }
            throw ex;
        } finally {
            if (em != null) {
                em.close();
            }
        }
    }

    public void destroy(int id) throws NonexistentEntityException {
        EntityManager em = null;
        try {
            em = getEntityManager();
            em.getTransaction().begin();
            OrdenDeReparacion ordenDeReparacion;
            try {
                ordenDeReparacion = em.getReference(OrdenDeReparacion.class, id);
                ordenDeReparacion.getCodigo();
            } catch (EntityNotFoundException enfe) {
                throw new NonexistentEntityException("The ordenDeReparacion with id " + id + " no longer exists.", enfe);
            }
            Cliente unCliente = ordenDeReparacion.getUnCliente();
            if (unCliente != null) {
                unCliente.getOrdenesDeReparacion().remove(ordenDeReparacion);
                unCliente = em.merge(unCliente);
            }
            Turno unTurno = ordenDeReparacion.getUnTurno();
            if (unTurno != null) {
                unTurno.setUnaOrden(null);
                unTurno = em.merge(unTurno);
            }
            em.remove(ordenDeReparacion);
            em.getTransaction().commit();
        } finally {
            if (em != null) {
                em.close();
            }
        }
    }

    public List<OrdenDeReparacion> findOrdenDeReparacionEntities() {
        return findOrdenDeReparacionEntities(true, -1, -1);
    }

    public List<OrdenDeReparacion> findOrdenDeReparacionEntities(int maxResults, int firstResult) {
        return findOrdenDeReparacionEntities(false, maxResults, firstResult);
    }

    private List<OrdenDeReparacion> findOrdenDeReparacionEntities(boolean all, int maxResults, int firstResult) {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            cq.select(cq.from(OrdenDeReparacion.class));
            Query q = em.createQuery(cq);
            if (!all) {
                q.setMaxResults(maxResults);
                q.setFirstResult(firstResult);
            }
            return q.getResultList();
        } finally {
            em.close();
        }
    }

    public OrdenDeReparacion findOrdenDeReparacion(int id) {
        EntityManager em = getEntityManager();
        try {
            return em.find(OrdenDeReparacion.class, id);
        } finally {
            em.close();
        }
    }

    public int getOrdenDeReparacionCount() {
        EntityManager em = getEntityManager();
        try {
            CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
            Root<OrdenDeReparacion> rt = cq.from(OrdenDeReparacion.class);
            cq.select(em.getCriteriaBuilder().count(rt));
            Query q = em.createQuery(cq);
            return ((Long) q.getSingleResult()).intValue();
        } finally {
            em.close();
        }
    }
    
}
